A CFD-DEM solver to model bubbly flow. Part I: Model development and assessment in upward vertical pipes

摘要

Graphical abstractDisplay OmittedHighlights?Development of a CFD-DEM solver to model bubbly flow.?Implementation of an equivolumetric subelement method.?Development of a seeding algorithm in pipes and fluid flow influence investigation.?Modeling of bubble expansion with a simplified model.?Study of bubble dynamics and lateral forces related with turbulence and bubble size.AbstractIn the computational modeling of two-phase flow, many uncertainties are usually faced in simulations and validations with experiment